#VU56114 Input validation error in Cisco Systems, Inc products - CVE-2021-1587

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU56114

#VU56114 Input validation error in Cisco Systems, Inc products - CVE-2021-1587

Published: August 26, 2021


Vulnerability identifier: #VU56114
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-1587
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco Nexus 3000 Series Switches
Cisco Nexus 9000 Series Switches NX-OS Mode
Cisco NX-OS
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper handling of specific packets in the VXLAN Operation, Administration, and Maintenance (OAM) feature. A remote attacker can send a specially crafted packet and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links